With unrest now growing deadly, Libya is the latest Middle East nation from which construction project expatriates are fleeing. Brazilian contracting giant Odebrecht began a mandatory evacuation of more than 5,000 expatriate workers on Feb. 21. About 187 firm employees and family members are among 600 nationals the Brazilian government was scrambling to airlift out as violence spread in the wake of the government’s crackdown. Contractor officials said on Feb. 22 the firm was securing charter planes to airlift workers from Tripoli and Benghazi. Odebrecht is working on the $1.3-billion expansion of the Libya International Airport and is building Tripoli’s
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.